Comparison

OpenSprinkler vs Boulderlamp

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OpenSprinkler

Control your OpenSprinkler irrigation system remotely. Monitor device status, modify watering schedules, and launch programs instantly. Features manual testing, multi-device support, and weather integration.

Highlights
  • Device status monitoring
  • Program modification
  • Instant program launch
  • Manual testing mode
  • Multi-device support
  • Weather and forecast integration
  • Log data visualization
Features
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The application allows you to automatically detect and control your OpenSprinkler irrigation system(s). OpenSprinkler is an open-source Internet web-based sprinkler timer / controller built upon the Arduino platform. Features of the app include: * Easy to understand device status * Quick program modification * Launch ad-hoc or defined programs instantly * Manual mode for convenient testing * Multi-device support * View visual representation of upcoming scheduled programs * View graphical and tabulated representation of log data * View current weather and forecast status for the device location * Change and disable rain delay * Multiple supported languages (Afrikaans, Amharic, Chinese, Czech, Dutch, French, German, Hebrew, Hungarian, Italian, Mongolian, Norwegian, Polish, Portuguese, Slovak, Slovenian, Spanish and more) This application requires you to own an OpenSprinkler that is properly connected to your network. For more information please visit https://opensprinkler.com. You can control your device from outside the local network with proper port forwarding and use of the WAN IP within the application or by using a VPN. For further assistance please visit the forums: https://forums.opensprinkler.com This is open source software: source code for this application can be found at https://github.com/OpenSprinkler/OpenSprinkler-App

About

Boulderlamp

Features
Read full description

Boulderlamp Manager is our tool to control Boulderlamp device products.

Screenshots

OpenSprinkler3 screens
Boulderlamp1 screens

Verdict

The call

The clearest difference is update cadence: OpenSprinkler at every 2 months against Boulderlamp's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OpenSprinkler ships an update every 2 months, Boulderlamp every 5 months. The most recent releases landed on September 24, 2026 and October 9, 2026 respectively.

Scorecard1 real difference · 9 level
OpenSprinkler versus Boulderlamp: the parameters behind the verdict, then further details
ParameterOpenSprinklerBoulderlamp
PriceFreeFree
Rating3.9 (29 ratings) — better—
Positive reviews64.8% of reviews—
Number of ratings29 — better—
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.1 — better
Further details — not scored
Size6 MB49 MB
Age rating4+4+
DeveloperOpenThingsBoulderlamp

In-app purchases

None

OpenSprinkler

No in-app purchases

None

Boulderlamp

No in-app purchases

Questions

Is OpenSprinkler free?
OpenSprinkler is free to download, with no in-app purchases.
Is Boulderlamp free?
Boulderlamp is free to download, with no in-app purchases.
Do OpenSprinkler or Boulderlamp have ads?
Neither OpenSprinkler nor Boulderlamp shows ads.
Which is updated more often, OpenSprinkler or Boulderlamp?
OpenSprinkler ships an update every 2 months, and Boulderlamp every 5 months. Most recently, OpenSprinkler was updated on September 24, 2026 and Boulderlamp on October 9, 2026.

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